What are message segments?
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When sending messages with Twilio Blaster, you’ll notice a Segments count in the Status column. This helps you understand how your message is split and charged.
A segment is a portion of your message that fits within a specific character limit before it gets split into multiple parts.
Standard SMS (GSM-7 encoding): Up to 160 characters per segment.
Messages with special characters (UCS-2 encoding, e.g., emojis, certain symbols): Up to 70 characters per segment.
If your message exceeds these limits, it will be split into multiple segments.
Each segment is counted separately when determining cost and delivery speed. The more segments a message has, the higher the cost.
To see how many segments your message will use, try Twilio's official .
For more details on how message segments work, check out Twilio's blog: .
